A bizarre house filled with an astounding array of collections.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

This cave holds a surprisingly colorful variety of geological oddities.

Discover a beautiful natural paradise, minutes away from a thriving city.

Where hikers on the Tecumseh Trail can exchange a dirty sock for a free geode.

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

Display that gathers the basic elements of the universe in one convenient location.

Ornate limestone building now filled with geologic specimens, and more.

This mysterious hill seems to pull objects uphill.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

This massive crater in the middle of nowhere was used to train astronauts for moon landings.

Nearly 300,000 acres of wildlife, natural splendor, and a hidden ghost town have been designated a national monument.

An eatery for UFO seekers on the Extraterrestrial Highway.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

A collection of haunted objects and macabre oddities under one roof.

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

The drama of nature in full effect in this Nevada State Park.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

The longest living non-clonal organisms on Earth.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.